Published in University of Kansas Science Bulletin, in 1934, in volume 21, pages 5-195
Published in University of Kansas Science Bulletin, in 1934, in volume 21, pages 221-233
Published in Kansas University Science Bulletin, in 1934, in volume 21, pages 273-278
Published in Kansas University Science Bulletin, in 1934, in volume 21, pages 289-363
Published in University of Kansas Science Bulletin, in 1934, in volume 21, pages 365-367